THALASSA ADVISORY LTD
Significant control: Nicholas Karnessis (25–50%), Angelique Karnessis (25–50%) and 1 more
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
What does Thalassa Advisory Ltd sell?
Registered activity: Activities auxiliary to financial intermediation n.e.c. (SIC 66190). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
THALASSA ADVISORY LTD is an active private limited company (company number 04711263) incorporated on 25 March 2003, registered in London. Its registered activity is activities auxiliary to financial intermediation n.e.c. (SIC 66190). Accounts are on file at Companies House (total exemption full) but not yet parsed into this record.
There are 1,078 companies in activities auxiliary to financial intermediation n.e.c. in London with filed accounts; the median reports net assets of £2,046 and is 9 years old.
Ownership and control
- Mr Nicholas Karnessis
- owns 25–50% of shares
- Mrs Angelique Karnessis
- owns 25–50% of shares
- Ms Eleftheria Karnessis
- owns 25–50% of shares
- Mr Antonios Psarros
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
Key dates
- Incorporated
- 25 March 200323 yrs ago
- First accounts due
- 25 December 20047972 days overdue
- Confirmation statement due
- 8 April 2027in 167 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 66190
- Activities auxiliary to financial intermediation n.e.c.
- SIC 68320
- Management of real estate on a fee or contract basis
- SIC 70229
- Management consultancy activities other than financial management
- SIC 82110
- Combined office administrative service activities
- Accounts type
- Total Exemption Full
Financials
Accounts exist on the register but their figures are not in this dataset yet.
Filing and accounts signals
- Incorporated five or more years agoIncorporated 25 March 2003
- Accounts past their due dateDue 25 December 2004
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
Timeline
- Confirmation statement duein 167 days
- First accounts due7972 days overdue
- Incorporated
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All companies incorporated on 25 March 2003 · in Mar 2003.
Reminders for THALASSA ADVISORY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.